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Archive 2011 · 100-400 better than 800L for BIF
  
 
PetKal
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p.2 #1 · p.2 #1 · 100-400 better than 800L for BIF


dehowie wrote:
On a few things..
First the AF speed on the 800 is way faster than the 100-400.
You get an indication of hat when shooting with the Mk4 when you lose drive speed at 10fps with the 100-400 attached particularly tracking targets.
The 100-400 is far easier to use due the the smaller viewing angle..tracking objects particularly small birds is far harder wih a long prime than a zoom where you can zoom out to locate then in to photograph. In that 40-80' range the 109-400 will be easier to use. The 800 is not designed to be used there.That is why when
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I think with aircraft photography you have a bit of a different situation......I think you can plan your shots better, and planes follow a fairly predictable trajectory in a linear fashion, and they are big.
Furthermore, I suspect you have your 800 focus limiter switch on 20m to infinity......in that range I also find that 800L focuses pretty good. Unfortunately, there are times with birds when they get within 20m and then I'd be screwed if I am on the long limiter setting. In order to remedy that, I turn the limiter switch to full range, i.e. 6m to infinity. That is a great range for slow and stationary targets, but for a rapidly evolving bird in flight I find it to be an unmitigated AF disaster.



Dec 27, 2011 at 03:13 AM
PetKal
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p.2 #2 · p.2 #2 · 100-400 better than 800L for BIF


Don Clary wrote:
#3 is a great shot, Peter. When are you going to show your head on Pterodactyl pictures, using 14mm? Those 30 foot wingspans would be impressive with that lens.


Thank you, Don.....I get a mental picture of a wide angle p-dactyl shot....that would be awesome.



Dec 27, 2011 at 03:16 AM
Imagemaster
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p.2 #3 · p.2 #3 · 100-400 better than 800L for BIF


PetKal wrote:
although 100-400 is no champ when it comes to its AF drive speed, the zoom is in my experience a significantly better BIF lens than 800L.


Yeah, and PIF's are a lot harder to shoot than eagles-in-flight.

I was not fast enough to zoom back in to 300mm.








Dec 27, 2011 at 03:22 AM
PetKal
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p.2 #4 · p.2 #4 · 100-400 better than 800L for BIF


Excellent Harrier shot.....how on earth did you manage to get that close ?


Dec 27, 2011 at 03:36 AM
 

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Imagemaster
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p.2 #5 · p.2 #5 · 100-400 better than 800L for BIF


PetKal wrote:
Excellent Harrier shot.....how on earth did you manage to get that close ?


Thanks, she was too busy trying to catch a Red-winged Blackbird and only saw me at the last moment.



Dec 27, 2011 at 05:16 AM
dehowie
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p.2 #6 · p.2 #6 · 100-400 better than 800L for BIF


Hey Petkal you are correct the limiter switch is in long range.
However I think you will find all the big primes are at there best here.
PS great shots with the 100-400!



Dec 27, 2011 at 11:15 AM
Herb Houghton
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p.2 #7 · p.2 #7 · 100-400 better than 800L for BIF


Imagemaster wrote:
Thanks, she was too busy trying to catch a Red-winged Blackbird and only saw me at the last moment.


Nice shot Tony, it's a boy though . Male harrier aka grey ghost.



Dec 27, 2011 at 02:04 PM
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p.2 #8 · p.2 #8 · 100-400 better than 800L for BIF


Herb Houghton wrote:
Nice shot Tony, it's a boy though . Male harrier aka grey ghost.


Thanks, Herb. I new I should have said "it", instead of "she", since you guys can't agree:

hnilsson wrote:
Yup, female northern harrier.




Dec 27, 2011 at 05:31 PM
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